We're going to solve 9421 multiplied by 9315
9421 × 9315 = 9315 × (9421)
+ 9315 × 1 yielding 9315
+ 9315 × 20 that is equal 186300
+ 9315 × 400 yielding 3726000
+ 9315 × 9000 what gives us 83835000

= 87756615
